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- W4291238863 abstract "We propose a practically feasible time-periodic sinusoidal drive protocol in onsite mass term to generate the two-dimensional~(2D) Floquet second-order topological superconductor, hosting both the regular $0$- and anomalous $pi$-Majorana corner modes~(MCMs) while starting from a static 2D topological insulator/$d$-wave superconductor heterostructure setup. We theoretically study the local density spectra and the time dynamics of MCMs in the presence of such drive. The dynamical MCMs are topologically characterized by employing the average quadrupolar motion. Furthermore, we employ the Floquet perturbation theory~(FPT) in the strong driving amplitude limit to provide analytical insight into the problem. We compare our exact (numerical), and the FPT results in terms of the eigenvalue spectra and the time dynamics of the MCMs. We emphasize that the agreement between the exact numerical and the FPT results are more prominent in the higher frequency regime for close to the $0$-quasi-energy mode." @default.
- W4291238863 created "2022-08-13" @default.
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- W4291238863 date "2022-08-11" @default.
- W4291238863 modified "2023-09-25" @default.
- W4291238863 title "Time evolution of Majorana corner modes in Floquet second-order topological superconductor" @default.
- W4291238863 doi "https://doi.org/10.48550/arxiv.2208.05749" @default.
- W4291238863 hasPublicationYear "2022" @default.
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